Due Today Please help Fast Which expression shows 20+24 with 4 as a factor of each term?
(2.5) + (2.6)
2 + (5.6)
(2.10) + (2.12)
2 + (10.12)

The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%